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HP B2600 get power on , 10 or 20 minute after, CPU going down , need to restart again but only energize for 10 minute than going down again. I was try this power supply to the other HP B2600 machine, the phenomena has same. What the we can do , high apreciate for your assist. Thanks & regard Noor

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: computer will power up for three seconds then shut down

Had the same problem on a few motherboards, check your capacitors very closely. If they are rounded or split on top they are bad. You can change the capacitors with new ones to fix your problem but it often ends up costing as much as buying a new board.

Posted on Nov 20, 2007

Chadha Saab
  • 142 Answers

SOURCE: asus a8v deluxe mobo no start

This is a NO POST scenario
How to troubleshoot No POST
1. Check wall socket whether power is working fine
2. Check PSU (Power Supply Unit) fan whether it is rotating or not.
3. Change power socket.
4. Change the the main power cable from the wall socket to the PSU.
5. Check whether the lights on the keyboard flash when you turn on the power.
6. Check the voltage selector swicth at the back of the PSU ( Ideally should be 115v for US region and 220v for Asia ).
7. Check all peripherals like keyboard, mouse, video cable whether they are connected properly or not.
8. Open Chassis >> Check RAM connected properly.
9. Remove add-on cards like graphic cards, modem card, PCMCIA card slots, LAN card etc.
10. Take out main power connector (grey-black) or brown, green cable from front board panel of cabinet from where you turn on the power for CPU. and also take it out from the motherboard,
11. Check I/O cable which comes from power button on cabinet whether it is firmly connected nor not.
12. Plugg all the cables back in.
If still u face the same problem Then
13. Take out CMOS battery from motherboard and press power on/off button for 30 seconds and plugg CMOS battery back in to the motherboard.
ram chips swapped out with a known working chip of the same type

HDD swapped over with the HDD out of my portable external backup HDD

FLASHING A BIOS:
A couple of items are really important if you decide to flash. First. Make sure the updated bios addresses the issue you are trying to solve. eg many motherboard makers update their bios's for many different reasons. A reason may simply be to get a certain big name brand of pc to work correctly with a new cd writer big brand pc is selling.
So you really have to read the docs so see if the upgrade addresses your specific niggle or concern. Secondly, try your motherboard maker first to see if they have the files you need. Bios's upgrades are best had, if available, from the company that made your motherboard or pc. In most cases these are free.
Thirdly, READ THE DOCS CAREFULLY AND FOLLOW THEM TO THE LETTER. Dont skip any steps, especially the backup option if available. Fourth, if the upgrade calls for a clean bootdisk, use one. The disk I made especially for bios flashing is the one you can download above. It's a DrDOS bootdisk with NO drivers loading up in config.sys or autoexec.bat which is very important. My bios flash bootdisk is recommended by the most popular motherboad makers.
If you dont have a 1.44 drive I also created a utility to use to flash from a CD which you can add the new bios and flash utility to and then burn it.
It should have room to add your new bios, the flash utility, and also have room for the backup. If not one can always use another disk for the info. Always use BRAND NEW MEDIA when dealing with flashes.
In order to locate the correct bios upgrade for your motherboard you need to know who made it AND you need to know the model number. If your PC was made locally perhaps you have the manual. If not, then you need to find out the maker and model. Or, and very common with major brands, your computer maker will/may have the updated bios's on their website.
I have one windows and three dos utils that find your motherboard maker and model number. One of them should work for you. The DOS utils are on my DOStools Page under Diagnostics, and are called CTbios, MBID, and HW iNFO. The windows utility is called BIOS Agent and is on my Utilities Page under Hardware .
Once you ID your motherboard and model go the the manufacturers website and see what they have available. Note that some upgrades will come with their own bootdisk/utility so you may not need the disk I made.
Again, note that even tho many people flash their bios regularly to get the latest features and never have a problem, I still recommend it as a last resort as a flash gone bad will make your pc unusable if the backup doesn't work. Look at it this way, suppose I have a used 80 gig drive I want to resuse and my old P400 cant even detect it so I have an unusable pc. This is the best, and most common reason to flash.
On the other hand, if you have a more modern pc that cant see lets say a 180 gig drive and but all else is working properly then you may want to consider a PCI hard drive controller card which has an onboard bios that will see your new large hard drive and also come with 2 more IDE channels you can use in addition to the 2 channels you already have. This is safer than flashing the bios.


Posted on Jun 08, 2008

volto
  • 101 Answers

SOURCE: Au-31 mother baoards E machine

Tony, check and see if any of the capacitors are bulging or seeping brown stuff. Especially near hot places like the heatsink, or the memory.

aff9e72.jpgThis is a pretty common failure, and the only fix is to solder in new capacitors. Check here for more information.

Posted on Jul 16, 2008

  • 2 Answers

SOURCE: A8S-X restart problems

Silver Dragon isn't thinking about the problem here. It is related to the BIOS Hanging. The System doesn't POST so how could it possibly be a program?
I have the same problem with a customer computer and after reading many posts on the internet, I have come to the conclusion that these motherboards (ASUS A8S-X) are junk.
I have been building PC's since 1986 when I opened my business and sold my first custome built 286-10 system.
There is something inherantly unstable ablout these motherboards and from what I can gather, the AI for the overclocking feature is on crack and doesn't properly set itself up so that it overclocks the CPU to the point it will not operate. Many people have tried many approaches to solve this problem, but none works consistantly. My suggestion is to call ASUS and tell them you've done some reading and by now they know the design is defective and you want a replacement or refund.
The reason you can post after a reset, is that the board returns to default settings and is then pretty much useless as you can not select with boot device to use or anyhting else that is BIOS-centric. The system hangs on restart and the only way to continue is to return to BIOS Default settings nulifying the entire set-up process. The most common errors I have found to be the BIOS Checksum error and the Overclocking error.
This Board Is A JOKE. ASUS should be ashamed of themselves. REALLY!

Posted on Aug 08, 2008

  • 25 Answers

SOURCE: Power supply Ok.But CPU fans started with seconds It's stop.

sounds to me like your mainboard is bad, i bet if you closely inspect the capacitors around the cpu one or more is bulged out or leaking

Posted on Feb 15, 2009

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2 Answers

HP Compaq 6200 Pro Microtower XL504AV - doesn't boot


Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.

Mar 26, 2013 | Computers & Internet

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Startup freezes and sleeps for 5-10 minutes


Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.

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My hp compaq 615 always restart after an hour and some minutes


Posible over heating issue, (issue with the fan, processor or heatsink)
>Overheating triggers auto-shutdown to protect the CPU
>Memory module going bad;
>Power supply going bad.

Computer usually shuts down if it is over heating so it won't melt down. There is a command on how to disable the auto shut down but it may affect your computer badly.

please check this thread for further troubleshooting
http://answers.google.com/answers/threadview/id/18292.html

---------------------
on other view

I would suggest to reformat your computer first before dealing with the hardware issue to avoid part replacement.

Mar 27, 2010 | HP COMPAQ Presario SR5510F Athlon 64 X2...

2 Answers

Computer frequently shuts down unexpectedly/ fans very noisy


You might have a cooling problem due to a fan malfunction. It is not clear whether it's the power supply fan or the CPU fan; in the latter case you might also have a thermal coupling problem. The symptoms you describe certainly seem to point to such.

My advice would be to replace the fan (or the whole power supply; you might also want to purchase a "Silent Power" unit for quieter computing). If it's the CPU fan and you are comfortable with, or know anyone comfortable with a bit of PC servicing, you might want to also unmount the heat sink from the CPU and replace the thermal paste between CPU and heatsink. Clean the heat dissipator (the black metal grille over the heatsink) with hot water and a bit of soap and dry thoroughly, or wipe it energically with a dust brush, before mounting the new fan on it.

Feb 28, 2010 | HP KQ499AA Pavilion Elite M9360F Desktop...

1 Answer

Screen turns green


The reason the screen is green is due to the power failure detector function of the CPU IC801 on the main board detecting abnormal condition derived from the video board's horizontal output transformer. In this case causing a stoppage of the horizontal output oscillator from k23VDA (15) X-radiation protection Hold-Down circuit. What happens during the failure is the CPU remains uncorrected eventhough the power might of been shut down at times, the CPU still detects the abnormal condition and will not correct itself.
The solution could be one of three possibility going on during this condition. What seems to work every time is separation of the main board and the video board. These boards are at 90 degrees with one another, and contaminates may be settling down in the Hold-Down circuit which is also part of the seating, and connection between both causing an error. A good cleaning seems to get the connection and circuitry functioning properly.
One possibility why this works also is it refreshes the Hold-Down circuit causing a refresh of the CPU which then corrects itself. One could debate on rather the diodes holding a voltage across themselves even when the TV is turned Off for a minute then On doesn't allow the CPU to correct itself because the CPU really see's the same condition with no change because the diodes may be energizing to quickly. But when separation occurs trips the Hold-Down circuit and relays and the rest of the circuits have to energize too along with the diodes alerting the CPU of change which then corrects itself.
I really lack the time to see what is really happening and Sanyo might have too. We both came up with the solution it works, so why fix it.

Oct 31, 2009 | Sanyo HT32744 32" TV

2 Answers

Computer does not fire up. I do have steady green light on power supply. All motherboard connections appear to be tight.I have come home before to a beeping noise in the past. After resetting the machine...


That beeping noise may be due to over heating.
Most machines today have a temperature setting that will turn the machine off once the temperature reaches a certain point.
Safety feature to avoid damaging your cpu and components.
The shut down and restarting allows the CPU to cool down briefly.
Thus allowing you to start the machine again. Usually it will shut down again once the temperature threshold is again reached.
Good test is let the machine sit for 30 min. If it immediately starts up and shuts down a few minutes later. Heat build is usually the problem.

Typically this is due to heat sink or Fan on the computer CPU.
Check to be sure both are connected to the CPU and functioning.
If you have a fan on top of the heat sink above the CPU. Make sure it is working correctly. Dust build up over time will eventually kill the fan bearings or reduce airflow. Heat sink can and will become clogged with dust also. Replacement fans are easy to find. Heat sinks are even easier to clean.
Depending on your machine and CPU position replacing the fan can be a challenge. But can be done in a few minutes with minimum tools.

Each bios has different post codes and it is difficult to tell what is happening with out knowing the bios of your particular machine. Listen for the beeps and check your computer manual.
You can also google for this. Here is a web site that lists a few bios P.O.S.T codes.
http://www.computerhope.com/beep.htm
Once you know the beep sequence you can look it up. Usually points to the problem and you can go from there.

Good luck!

Oct 06, 2009 | Computers & Internet

3 Answers

Sudden shut down


You need to clean it out with some compressed air.

Make sure the laptop is turned off of course.

If you still have heating issues, then you'll need to take it apart and put a new layer of thermal paste on the heat sink / cpu.

Best of luck!

Jun 18, 2009 | Computers & Internet

1 Answer

Hp laptop won't restart or come out of hibernation.


have you tried clearing the cmos? jump out the cmos pins on the mobo after pulling the plug. you may have to reconfigure some simple settings in bios after wards but no big deal let me know

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1 Answer

T23 Thinkpad turns off during boot after restart


My guess would be ;-
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The most likely one.
The CPU is overheating and shutting down and if you wait a while and it will power it up again, it will then run for a while and shut down again.
This can be caused by a faulty fan (its not spinning and needs to be replaced) or the vents are clogged with dust (needs to be cleaned and you may need to remove the fan assembly to do this).

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